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<H1>R-tree</H1>
<P>
(data structure)

<P>
<strong>Definition:</strong>
A <a href="spatialacc.html" tppabs="http://hissa.nist.gov/dads/HTML/spatialacc.html"><em>spatial access method</em></a> which splits space with hierarchically nested, and possibly overlapping, boxes.  The tree is height-balanced.
<P><strong>See also</strong>
<a href="btree.html" tppabs="http://hissa.nist.gov/dads/HTML/btree.html"><em>B-tree</em></a>, <a href="ptree.html" tppabs="http://hissa.nist.gov/dads/HTML/ptree.html"><em>P-tree</em></a> (2), <a href="ptree.html" tppabs="http://hissa.nist.gov/dads/HTML/ptree.html"><em>P-tree</em></a> (3), <a href="rplustree.html" tppabs="http://hissa.nist.gov/dads/HTML/rplustree.html"><em>R<sup>+</sup>-tree</em></a>, <a href="rstartree.html" tppabs="http://hissa.nist.gov/dads/HTML/rstartree.html"><em>R<sup>*</sup>-tree</em></a>.
<P><em>Note:
After [1]. Also found in Algorithms and Theory of Computation Handbook, page 18-24, Copyright &copy; 1999 by CRC Press LLC.</em>
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>

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Entry modified Thu Jul 15 16:39:54 1999.<BR>
HTML page formatted Wed Dec 22 09:36:23 1999.

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